中文格式日期

class DateConvert
    {
        private static DateConvert m_DateConvert = null;
        private static char[] strChinese = new char[] {
 　　　　　　　　 ‘〇‘,‘一‘,‘二‘,‘三‘,‘四‘,‘五‘,‘六‘,‘七‘,‘八‘,‘九‘,‘十‘};
        public static DateConvert Instance
        {
            get
            {
                if (m_DateConvert == null)
                    m_DateConvert = new DateConvert();
                return m_DateConvert;
            }
        }
        public static string Baodate2Chinese(string strDate)
        {
            StringBuilder result = new StringBuilder();
            // 依据正则表达式判断参数是否正确
            Regex theReg = new Regex(@"(d{2}|d{4})(/|-)(d{1,2})(/|-)(d {1,2})");
            if (true)
            {
                // 将数字日期的年月日存到字符数组str中
                string[] str = null;
                if (strDate.Contains("-"))
                {
                    str = strDate.Split(‘-‘);
                }
                else if (strDate.Contains("/"))
                {
                    str = strDate.Split(‘/‘);
                }
                // str[0]中为年，将其各个字符转换为相应的汉字
                for (int i = 0; i < str[0].Length; i++)
                {
                    result.Append(strChinese[int.Parse(str[0][i].ToString())]);
                }
                result.Append("年");
                // 转换月
                int month = int.Parse(str[1]);
                int MN1 = month / 10;
                int MN2 = month % 10;
                if (MN1 > 1)
                {
                    result.Append(strChinese[MN1]);
                }
                if (MN1 > 0)
                {
                    result.Append(strChinese[10]);
                }
                if (MN2 != 0)
                {
                    result.Append(strChinese[MN2]);
                }
                result.Append("月");
                // 转换日
                int day = int.Parse(str[2]);
                int DN1 = day / 10;
                int DN2 = day % 10;
                if (DN1 > 1)
                {
                    result.Append(strChinese[DN1]);
                }
                if (DN1 > 0)
                {
                    result.Append(strChinese[10]);
                }
                if (DN2 != 0)
                {
                    result.Append(strChinese[DN2]);
                }
                result.Append("日");
            }
            else
            {
                throw new ArgumentException();
            }
            return result.ToString();
        }
    }

效果：二〇一一年五月十七日

中文格式日期